Home / 1,296,580.98-1,945,160.44-398,101.04

Finding the Fourth Proportional to 1,296,580.98, 1,945,160.44 and 398,101.04

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Solution

The fourth proportional to 1,296,580.98, 1,945,160.44 and 398,101.04 is: 597,240.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,580.98 : 1,945,160.44 = 398,101.04 : x
  2. Step 2: Convert to fraction form
    1,296,580.98/1,945,160.44 = 398,101.04/x
  3. Step 3: Cross multiply
    1,296,580.98x = 1,945,160.44 × 398,101.04
  4. Step 4: Simplify right side
    1,296,580.98x = 774,370,383,409.80
  5. Step 5: Solve for x
    x = 774,370,383,409.80/1,296,580.98
  6. Step 6: Final answer
    x = 597,240.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.